Effective thermal conductivity of granular porous materials |
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| Affiliation: | 1. Department of Mechanical Engineering, The University of Vermont, Burlington, VT 05405, USA;2. Material Science program, The University of Vermont, Burlington, VT 05405, USA;1. College of Science, China Jiliang University, Hangzhou 310018, PR China;2. State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Henan Polytechnic University, Jiaozuo 454000, PR China;3. College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, PR China;4. School of Physics, Huazhong University of Science and Technology, Wuhan 430074, PR China |
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| Abstract: | In this study, various conduction models for two-phase materials are considered and the range of applicability of these models is discussed. Experimental work is carried out on construction sand of various grain size and different porosity in air at atmospheric pressure, and the results are compared with theoretical models. A modified hot-wire method is used in the measurement of effective thermal conductivities. |
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